186 IP o s t e I 5 i a 



but has never been seen farther south. 

 Undaria (Ulopterix*) pinnatifida, an 

 important plant of the northern waters, 

 is found in dwarfed condition in Tokyo 

 bay. No information has been received 

 concerning this form from regions 

 farther south. 



The rocky coast in the vicinity of 

 the mouth of Tokyo bay is a rich and 

 beautiful submarine garden. Both 

 many indigenous algse of Japan and 

 forms of the Australian flora are known 

 from here. This, however, is the region 

 best studied, and in it is located the 

 Marine Biological Station of the Im- 

 perial University of Tokyo. Acanthopel- 

 its japonica, Ckondrococcus japonicus, 

 Callophyllis japonica, Campylczphora 

 hypnoides, Martensia australis, Prionitis 

 angtista, Delisea pulchra, Codium mam- 

 milosum, Codium lindenbergii, Caulerpa 

 anceps y Caulerpa racemosa, Galaxaura 



